CRF 110F More Features, More Fun About the same size as our CRF 70F, the new CRF 110F offers a bigger 110 cc air-cooled engine that s just as reliable and built to deliver the kind of power your young Red Rider needs. In addition, the new CRF110F features both an effortless electric starter and a kick starter as well. And it all teams up with our four-speed transmission with automatic clutch th...